【発明の名称】4,4-ジメチル-3β-ヒドロキシプレグナ-8,14-ジエン-21-カルボン酸エステルを生産するための方法及びその方法における中間生成物

Title:

【発明の名称】4,4-ジメチル-3β-ヒドロキシプレグナ-8,14-ジエン-21-カルボン酸エステルを生産するための方法及びその方法における中間生成物

Document Type and Number:

Japanese Patent JP2002540120

Kind Code:

A

Abstract:

The invention relates to a method for representing compounds of the general formula (1). The invention further relates to the hitherto unknown compounds of general formulas (5, 6 and 7) in the form of intermediate products and to the use of 4,4-dimethyl-3beta hydroxypregna-8,14-diene-21-carboxylic acid esters of the general formula (1) for producing 4,4-dimethyl-5alpha-cholesta-8,14,24-triene-3beta-ol (2).

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Inventors:

Geisler, Jens
Erik, Binter

Application Number:

JP2000606619A

Publication Date:

November 26, 2002

Filing Date:

March 16, 2000

Export Citation:

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Assignee:

Schering Actien Gezel Shaft

International Classes:

C07J1/00; C07J7/00; C07J9/00; C07J13/00; (IPC1-7): C07J7/00

Attorney, Agent or Firm:

Takashi Ishida (4 others)

Previous Patent: JP2002540119

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